function hideOverlay(id){
		document.getElementById("overlay").style.display="none";
	document.getElementById("TB_window").style.display="none";
	document.getElementById("TB_windowContainer").style.display="none";
	document.getElementById(id).style.display="none";
}


function showOverlay(id,extraTop){
	
	var pageHeight = parseInt(document.getElementById("bottomPageLocator").offsetTop)+40;
	if(extraTop != null && extraTop != "")
	{
		document.getElementById("TB_window").style.top=extraTop+"px";	
		scrollTo(0,extraTop);	
	}
	document.getElementById("overlay").style.height=pageHeight+"px";
	document.getElementById("overlay").style.display="block";
	document.getElementById("TB_window").style.display="block";
	document.getElementById("TB_windowContainer").style.display="block";
	document.getElementById(id).style.display="block";
	
	
	
	
	if (window.addEventListener)
	{
  		window.addEventListener('onresize', resizeOverlay, false); 
		//alert("test");
	} 
	else if (window.attachEvent)
	{
  		window.attachEvent('onresize', resizeOverlay);
		//alert("test");
	}
}




function resizeOverlay()
{


         if (document.getElementById('overlay').style.display == 'block')
         {

                         if( document.body && ( document.body.scrollWidth || document.body.scrollHeight ) )
                         {
                                                         var pageWidth = document.body.scrollWidth + 'px';
                                                         var pageHeight = document.body.scrollHeight +'px';

                                                         if (document.body.offsetHeight && document.body.offsetHeight > document.body.scrollHeight)
                                                                         pageHeight = document.body.offsetHeight+'px';
                         }
                         else if( document.body.offsetWidth )
                         {
                                         var pageWidth = document.body.offsetWidth+'px';
                                         var pageHeight = document.body.offsetHeight+'px';
                         }
                         else
                         {
                                         var pageWidth='100%';
                                         var pageHeight='100%';
                         }

                         document.getElementById('overlay').style.height = pageHeight;
                         document.getElementById('overlay').style.width = pageWidth;
         }
                         document.getElementById("TB_window").style.left=parseInt(((pageWidth/2)-300))+"px";	     
     
                        
}